- Flt Trading Inc
- Focus Center Of Pittsburgh
- Foley Carpet Svc
- Fone Store
- Food Gallery
- Foodland Markets
- Fort Pitt Capital Group Inc
- Foster Industries Inc
- Foster Plaza Management
- Foster's Restaurant & Catering
- Fourth River Co
- Fox Learning Systems Inc
- Foxmoor
- Frame Designs
- Frame Foundry Inc
- Frank Bryan Inc
- Frank M Vaccaro & Assoc
- GAB Robins
- Gaber & Co
- Gannett Fleming Inc
- Gargani's
- Gary's Barber Shop
- Gateway Engineers Inc
- Gateway Pennsy Underwriters
- Gateway Press
- Gateway Underwriters Inc
- Gene's Blues II
- General Dynamics Cingular
- General Nutrition Ctr
- General Recreation Inc
- Gentiva Health Svc
- Gentry Group
- Ghise Associates Inc
- Giangarlo Scientific Co Inc
- Giant Eagle
- Giant Eagle
- Giant Eagle
- Giant Eagle
- Giovanni's Barber & Styles
- Giovanni's Barber & Styles
- Gleason Agency Inc
- Gleason Agency Inc
- Glencore Limited
- Glencore Limited
